Файл: protected/extensions/PHPExcel/Classes/PHPExcel.php
Строк: 1137
<?php
/** PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT')) {
define('PHPEXCEL_ROOT', dirname(__FILE__) . '/');
require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}
/**
* PHPExcel
*
* Copyright (c) 2006 - 2015 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel
* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
class PHPExcel
{
/**
* Unique ID
*
* @var string
*/
private $uniqueID;
/**
* Document properties
*
* @var PHPExcel_DocumentProperties
*/
private $properties;
/**
* Document security
*
* @var PHPExcel_DocumentSecurity
*/
private $security;
/**
* Collection of Worksheet objects
*
* @var PHPExcel_Worksheet[]
*/
private $workSheetCollection = array();
/**
* Calculation Engine
*
* @var PHPExcel_Calculation
*/
private $calculationEngine;
/**
* Active sheet index
*
* @var integer
*/
private $activeSheetIndex = 0;
/**
* Named ranges
*
* @var PHPExcel_NamedRange[]
*/
private $namedRanges = array();
/**
* CellXf supervisor
*
* @var PHPExcel_Style
*/
private $cellXfSupervisor;
/**
* CellXf collection
*
* @var PHPExcel_Style[]
*/
private $cellXfCollection = array();
/**
* CellStyleXf collection
*
* @var PHPExcel_Style[]
*/
private $cellStyleXfCollection = array();
/**
* hasMacros : this workbook have macros ?
*
* @var bool
*/
private $hasMacros = false;
/**
* macrosCode : all macros code (the vbaProject.bin file, this include form, code, etc.), null if no macro
*
* @var binary
*/
private $macrosCode;
/**
* macrosCertificate : if macros are signed, contains vbaProjectSignature.bin file, null if not signed
*
* @var binary
*/
private $macrosCertificate;
/**
* ribbonXMLData : null if workbook is'nt Excel 2007 or not contain a customized UI
*
* @var null|string
*/
private $ribbonXMLData;
/**
* ribbonBinObjects : null if workbook is'nt Excel 2007 or not contain embedded objects (picture(s)) for Ribbon Elements
* ignored if $ribbonXMLData is null
*
* @var null|array
*/
private $ribbonBinObjects;
/**
* The workbook has macros ?
*
* @return boolean true if workbook has macros, false if not
*/
public function hasMacros()
{
return $this->hasMacros;
}
/**
* Define if a workbook has macros
*
* @param boolean $hasMacros true|false
*/
public function setHasMacros($hasMacros = false)
{
$this->hasMacros = (bool) $hasMacros;
}
/**
* Set the macros code
*
* @param string $MacrosCode string|null
*/
public function setMacrosCode($MacrosCode = null)
{
$this->macrosCode=$MacrosCode;
$this->setHasMacros(!is_null($MacrosCode));
}
/**
* Return the macros code
*
* @return string|null
*/
public function getMacrosCode()
{
return $this->macrosCode;
}
/**
* Set the macros certificate
*
* @param string|null $Certificate
*/
public function setMacrosCertificate($Certificate = null)
{
$this->macrosCertificate=$Certificate;
}
/**
* Is the project signed ?
*
* @return boolean true|false
*/
public function hasMacrosCertificate()
{
return !is_null($this->macrosCertificate);
}
/**
* Return the macros certificate
*
* @return string|null
*/
public function getMacrosCertificate()
{
return $this->macrosCertificate;
}
/**
* Remove all macros, certificate from spreadsheet
*
*/
public function discardMacros()
{
$this->hasMacros=false;
$this->macrosCode=null;
$this->macrosCertificate=null;
}
/**
* set ribbon XML data
*
*/
public function setRibbonXMLData($Target = null, $XMLData = null)
{
if (!is_null($Target) && !is_null($XMLData)) {
$this->ribbonXMLData = array('target' => $Target, 'data' => $XMLData);
} else {
$this->ribbonXMLData = null;
}
}
/**
* retrieve ribbon XML Data
*
* return string|null|array
*/
public function getRibbonXMLData($What = 'all') //we need some constants here...
{
$ReturnData = null;
$What = strtolower($What);
switch ($What){
case 'all':
$ReturnData = $this->ribbonXMLData;
break;
case 'target':
case 'data':
if (is_array($this->ribbonXMLData) && array_key_exists($What, $this->ribbonXMLData)) {
$ReturnData = $this->ribbonXMLData[$What];
}
break;
}
return $ReturnData;
}
/**
* store binaries ribbon objects (pictures)
*
*/
public function setRibbonBinObjects($BinObjectsNames = null, $BinObjectsData = null)
{
if (!is_null($BinObjectsNames) && !is_null($BinObjectsData)) {
$this->ribbonBinObjects = array('names' => $BinObjectsNames, 'data' => $BinObjectsData);
} else {
$this->ribbonBinObjects = null;
}
}
/**
* return the extension of a filename. Internal use for a array_map callback (php<5.3 don't like lambda function)
*
*/
private function getExtensionOnly($ThePath)
{
return pathinfo($ThePath, PATHINFO_EXTENSION);
}
/**
* retrieve Binaries Ribbon Objects
*
*/
public function getRibbonBinObjects($What = 'all')
{
$ReturnData = null;
$What = strtolower($What);
switch($What) {
case 'all':
return $this->ribbonBinObjects;
break;
case 'names':
case 'data':
if (is_array($this->ribbonBinObjects) && array_key_exists($What, $this->ribbonBinObjects)) {
$ReturnData=$this->ribbonBinObjects[$What];
}
break;
case 'types':
if (is_array($this->ribbonBinObjects) &&
array_key_exists('data', $this->ribbonBinObjects) && is_array($this->ribbonBinObjects['data'])) {
$tmpTypes=array_keys($this->ribbonBinObjects['data']);
$ReturnData = array_unique(array_map(array($this, 'getExtensionOnly'), $tmpTypes));
} else {
$ReturnData=array(); // the caller want an array... not null if empty
}
break;
}
return $ReturnData;
}
/**
* This workbook have a custom UI ?
*
* @return boolean true|false
*/
public function hasRibbon()
{
return !is_null($this->ribbonXMLData);
}
/**
* This workbook have additionnal object for the ribbon ?
*
* @return boolean true|false
*/
public function hasRibbonBinObjects()
{
return !is_null($this->ribbonBinObjects);
}
/**
* Check if a sheet with a specified code name already exists
*
* @param string $pSheetCodeName Name of the worksheet to check
* @return boolean
*/
public function sheetCodeNameExists($pSheetCodeName)
{
return ($this->getSheetByCodeName($pSheetCodeName) !== null);
}
/**
* Get sheet by code name. Warning : sheet don't have always a code name !
*
* @param string $pName Sheet name
* @return PHPExcel_Worksheet
*/
public function getSheetByCodeName($pName = '')
{
$worksheetCount = count($this->workSheetCollection);
for ($i = 0; $i < $worksheetCount; ++$i) {
if ($this->workSheetCollection[$i]->getCodeName() == $pName) {
return $this->workSheetCollection[$i];
}
}
return null;
}
/**
* Create a new PHPExcel with one Worksheet
*/
public function __construct()
{
$this->uniqueID = uniqid();
$this->calculationEngine = new PHPExcel_Calculation($this);
// Initialise worksheet collection and add one worksheet
$this->workSheetCollection = array();
$this->workSheetCollection[] = new PHPExcel_Worksheet($this);
$this->activeSheetIndex = 0;
// Create document properties
$this->properties = new PHPExcel_DocumentProperties();
// Create document security
$this->security = new PHPExcel_DocumentSecurity();
// Set named ranges
$this->namedRanges = array();
// Create the cellXf supervisor
$this->cellXfSupervisor = new PHPExcel_Style(true);
$this->cellXfSupervisor->bindParent($this);
// Create the default style
$this->addCellXf(new PHPExcel_Style);
$this->addCellStyleXf(new PHPExcel_Style);
}
/**
* Code to execute when this worksheet is unset()
*
*/
public function __destruct()
{
$this->calculationEngine = null;
$this->disconnectWorksheets();
}
/**
* Disconnect all worksheets from this PHPExcel workbook object,
* typically so that the PHPExcel object can be unset
*
*/
public function disconnectWorksheets()
{
$worksheet = null;
foreach ($this->workSheetCollection as $k => &$worksheet) {
$worksheet->disconnectCells();
$this->workSheetCollection[$k] = null;
}
unset($worksheet);
$this->workSheetCollection = array();
}
/**
* Return the calculation engine for this worksheet
*
* @return PHPExcel_Calculation
*/
public function getCalculationEngine()
{
return $this->calculationEngine;
} // function getCellCacheController()
/**
* Get properties
*
* @return PHPExcel_DocumentProperties
*/
public function getProperties()
{
return $this->properties;
}
/**
* Set properties
*
* @param PHPExcel_DocumentProperties $pValue
*/
public function setProperties(PHPExcel_DocumentProperties $pValue)
{
$this->properties = $pValue;
}
/**
* Get security
*
* @return PHPExcel_DocumentSecurity
*/
public function getSecurity()
{
return $this->security;
}
/**
* Set security
*
* @param PHPExcel_DocumentSecurity $pValue
*/
public function setSecurity(PHPExcel_DocumentSecurity $pValue)
{
$this->security = $pValue;
}
/**
* Get active sheet
*
* @return PHPExcel_Worksheet
*
* @throws PHPExcel_Exception
*/
public function getActiveSheet()
{
return $this->getSheet($this->activeSheetIndex);
}
/**
* Create sheet and add it to this workbook
*
* @param int|null $iSheetIndex Index where sheet should go (0,1,..., or null for last)
* @return PHPExcel_Worksheet
* @throws PHPExcel_Exception
*/
public function createSheet($iSheetIndex = null)
{
$newSheet = new PHPExcel_Worksheet($this);
$this->addSheet($newSheet, $iSheetIndex);
return $newSheet;
}
/**
* Check if a sheet with a specified name already exists
*
* @param string $pSheetName Name of the worksheet to check
* @return boolean
*/
public function sheetNameExists($pSheetName)
{
return ($this->getSheetByName($pSheetName) !== null);
}
/**
* Add sheet
*
* @param PHPExcel_Worksheet $pSheet
* @param int|null $iSheetIndex Index where sheet should go (0,1,..., or null for last)
* @return PHPExcel_Worksheet
* @throws PHPExcel_Exception
*/
public function addSheet(PHPExcel_Worksheet $pSheet, $iSheetIndex = null)
{
if ($this->sheetNameExists($pSheet->getTitle())) {
throw new PHPExcel_Exception(
"Workbook already contains a worksheet named '{$pSheet->getTitle()}'. Rename this worksheet first."
);
}
if ($iSheetIndex === null) {
if ($this->activeSheetIndex < 0) {
$this->activeSheetIndex = 0;
}
$this->workSheetCollection[] = $pSheet;
} else {
// Insert the sheet at the requested index
array_splice(
$this->workSheetCollection,
$iSheetIndex,
0,
array($pSheet)
);
// Adjust active sheet index if necessary
if ($this->activeSheetIndex >= $iSheetIndex) {
++$this->activeSheetIndex;
}
}
if ($pSheet->getParent() === null) {
$pSheet->rebindParent($this);
}
return $pSheet;
}
/**
* Remove sheet by index
*
* @param int $pIndex Active sheet index
* @throws PHPExcel_Exception
*/
public function removeSheetByIndex($pIndex = 0)
{
$numSheets = count($this->workSheetCollection);
if ($pIndex > $numSheets - 1) {
throw new PHPExcel_Exception(
"You tried to remove a sheet by the out of bounds index: {$pIndex}. The actual number of sheets is {$numSheets}."
);
} else {
array_splice($this->workSheetCollection, $pIndex, 1);
}
// Adjust active sheet index if necessary
if (($this->activeSheetIndex >= $pIndex) &&
($pIndex > count($this->workSheetCollection) - 1)) {
--$this->activeSheetIndex;
}
}
/**
* Get sheet by index
*
* @param int $pIndex Sheet index
* @return PHPExcel_Worksheet
* @throws PHPExcel_Exception
*/
public function getSheet($pIndex = 0)
{
if (!isset($this->workSheetCollection[$pIndex])) {
$numSheets = $this->getSheetCount();
throw new PHPExcel_Exception(
"Your requested sheet index: {$pIndex} is out of bounds. The actual number of sheets is {$numSheets}."
);
}
return $this->workSheetCollection[$pIndex];
}
/**
* Get all sheets
*
* @return PHPExcel_Worksheet[]
*/
public function getAllSheets()
{
return $this->workSheetCollection;
}
/**
* Get sheet by name
*
* @param string $pName Sheet name
* @return PHPExcel_Worksheet
*/
public function getSheetByName($pName = '')
{
$worksheetCount = count($this->workSheetCollection);
for ($i = 0; $i < $worksheetCount; ++$i) {
if ($this->workSheetCollection[$i]->getTitle() === $pName) {
return $this->workSheetCollection[$i];
}
}
return null;
}
/**
* Get index for sheet
*
* @param PHPExcel_Worksheet $pSheet
* @return int Sheet index
* @throws PHPExcel_Exception
*/
public function getIndex(PHPExcel_Worksheet $pSheet)
{
foreach ($this->workSheetCollection as $key => $value) {
if ($value->getHashCode() == $pSheet->getHashCode()) {
return $key;
}
}
throw new PHPExcel_Exception("Sheet does not exist.");
}
/**
* Set index for sheet by sheet name.
*
* @param string $sheetName Sheet name to modify index for
* @param int $newIndex New index for the sheet
* @return int New sheet index
* @throws PHPExcel_Exception
*/
public function setIndexByName($sheetName, $newIndex)
{
$oldIndex = $this->getIndex($this->getSheetByName($sheetName));
$pSheet = array_splice(
$this->workSheetCollection,
$oldIndex,
1
);
array_splice(
$this->workSheetCollection,
$newIndex,
0,
$pSheet
);
return $newIndex;
}
/**
* Get sheet count
*
* @return int
*/
public function getSheetCount()
{
return count($this->workSheetCollection);
}
/**
* Get active sheet index
*
* @return int Active sheet index
*/
public function getActiveSheetIndex()
{
return $this->activeSheetIndex;
}
/**
* Set active sheet index
*
* @param int $pIndex Active sheet index
* @throws PHPExcel_Exception
* @return PHPExcel_Worksheet
*/
public function setActiveSheetIndex($pIndex = 0)
{
$numSheets = count($this->workSheetCollection);
if ($pIndex > $numSheets - 1) {
throw new PHPExcel_Exception(
"You tried to set a sheet active by the out of bounds index: {$pIndex}. The actual number of sheets is {$numSheets}."
);
} else {
$this->activeSheetIndex = $pIndex;
}
return $this->getActiveSheet();
}
/**
* Set active sheet index by name
*
* @param string $pValue Sheet title
* @return PHPExcel_Worksheet
* @throws PHPExcel_Exception
*/
public function setActiveSheetIndexByName($pValue = '')
{
if (($worksheet = $this->getSheetByName($pValue)) instanceof PHPExcel_Worksheet) {
$this->setActiveSheetIndex($this->getIndex($worksheet));
return $worksheet;
}
throw new PHPExcel_Exception('Workbook does not contain sheet:' . $pValue);
}
/**
* Get sheet names
*
* @return string[]
*/
public function getSheetNames()
{
$returnValue = array();
$worksheetCount = $this->getSheetCount();
for ($i = 0; $i < $worksheetCount; ++$i) {
$returnValue[] = $this->getSheet($i)->getTitle();
}
return $returnValue;
}
/**
* Add external sheet
*
* @param PHPExcel_Worksheet $pSheet External sheet to add
* @param int|null $iSheetIndex Index where sheet should go (0,1,..., or null for last)
* @throws PHPExcel_Exception
* @return PHPExcel_Worksheet
*/
public function addExternalSheet(PHPExcel_Worksheet $pSheet, $iSheetIndex = null)
{
if ($this->sheetNameExists($pSheet->getTitle())) {
throw new PHPExcel_Exception("Workbook already contains a worksheet named '{$pSheet->getTitle()}'. Rename the external sheet first.");
}
// count how many cellXfs there are in this workbook currently, we will need this below
$countCellXfs = count($this->cellXfCollection);
// copy all the shared cellXfs from the external workbook and append them to the current
foreach ($pSheet->getParent()->getCellXfCollection() as $cellXf) {
$this->addCellXf(clone $cellXf);
}
// move sheet to this workbook
$pSheet->rebindParent($this);
// update the cellXfs
foreach ($pSheet->getCellCollection(false) as $cellID) {
$cell = $pSheet->getCell($cellID);
$cell->setXfIndex($cell->getXfIndex() + $countCellXfs);
}
return $this->addSheet($pSheet, $iSheetIndex);
}
/**
* Get named ranges
*
* @return PHPExcel_NamedRange[]
*/
public function getNamedRanges()
{
return $this->namedRanges;
}
/**
* Add named range
*
* @param PHPExcel_NamedRange $namedRange
* @return boolean
*/
public function addNamedRange(PHPExcel_NamedRange $namedRange)
{
if ($namedRange->getScope() == null) {
// global scope
$this->namedRanges[$namedRange->getName()] = $namedRange;
} else {
// local scope
$this->namedRanges[$namedRange->getScope()->getTitle().'!'.$namedRange->getName()] = $namedRange;
}
return true;
}
/**
* Get named range
*
* @param string $namedRange
* @param PHPExcel_Worksheet|null $pSheet Scope. Use null for global scope
* @return PHPExcel_NamedRange|null
*/
public function getNamedRange($namedRange, PHPExcel_Worksheet $pSheet = null)
{
$returnValue = null;
if ($namedRange != '' && ($namedRange !== null)) {
// first look for global defined name
if (isset($this->namedRanges[$namedRange])) {
$returnValue = $this->namedRanges[$namedRange];
}
// then look for local defined name (has priority over global defined name if both names exist)
if (($pSheet !== null) && isset($this->namedRanges[$pSheet->getTitle() . '!' . $namedRange])) {
$returnValue = $this->namedRanges[$pSheet->getTitle() . '!' . $namedRange];
}
}
return $returnValue;
}
/**
* Remove named range
*
* @param string $namedRange
* @param PHPExcel_Worksheet|null $pSheet Scope: use null for global scope.
* @return PHPExcel
*/
public function removeNamedRange($namedRange, PHPExcel_Worksheet $pSheet = null)
{
if ($pSheet === null) {
if (isset($this->namedRanges[$namedRange])) {
unset($this->namedRanges[$namedRange]);
}
} else {
if (isset($this->namedRanges[$pSheet->getTitle() . '!' . $namedRange])) {
unset($this->namedRanges[$pSheet->getTitle() . '!' . $namedRange]);
}
}
return $this;
}
/**
* Get worksheet iterator
*
* @return PHPExcel_WorksheetIterator
*/
public function getWorksheetIterator()
{
return new PHPExcel_WorksheetIterator($this);
}
/**
* Copy workbook (!= clone!)
*
* @return PHPExcel
*/
public function copy()
{
$copied = clone $this;
$worksheetCount = count($this->workSheetCollection);
for ($i = 0; $i < $worksheetCount; ++$i) {
$this->workSheetCollection[$i] = $this->workSheetCollection[$i]->copy();
$this->workSheetCollection[$i]->rebindParent($this);
}
return $copied;
}
/**
* Implement PHP __clone to create a deep clone, not just a shallow copy.
*/
public function __clone()
{
foreach ($this as $key => $val) {
if (is_object($val) || (is_array($val))) {
$this->{$key} = unserialize(serialize($val));
}
}
}
/**
* Get the workbook collection of cellXfs
*
* @return PHPExcel_Style[]
*/
public function getCellXfCollection()
{
return $this->cellXfCollection;
}
/**
* Get cellXf by index
*
* @param int $pIndex
* @return PHPExcel_Style
*/
public function getCellXfByIndex($pIndex = 0)
{
return $this->cellXfCollection[$pIndex];
}
/**
* Get cellXf by hash code
*
* @param string $pValue
* @return PHPExcel_Style|boolean False if no match found
*/
public function getCellXfByHashCode($pValue = '')
{
foreach ($this->cellXfCollection as $cellXf) {
if ($cellXf->getHashCode() == $pValue) {
return $cellXf;
}
}
return false;
}
/**
* Check if style exists in style collection
*
* @param PHPExcel_Style $pCellStyle
* @return boolean
*/
public function cellXfExists($pCellStyle = null)
{
return in_array($pCellStyle, $this->cellXfCollection, true);
}
/**
* Get default style
*
* @return PHPExcel_Style
* @throws PHPExcel_Exception
*/
public function getDefaultStyle()
{
if (isset($this->cellXfCollection[0])) {
return $this->cellXfCollection[0];
}
throw new PHPExcel_Exception('No default style found for this workbook');
}
/**
* Add a cellXf to the workbook
*
* @param PHPExcel_Style $style
*/
public function addCellXf(PHPExcel_Style $style)
{
$this->cellXfCollection[] = $style;
$style->setIndex(count($this->cellXfCollection) - 1);
}
/**
* Remove cellXf by index. It is ensured that all cells get their xf index updated.
*
* @param integer $pIndex Index to cellXf
* @throws PHPExcel_Exception
*/
public function removeCellXfByIndex($pIndex = 0)
{
if ($pIndex > count($this->cellXfCollection) - 1) {
throw new PHPExcel_Exception("CellXf index is out of bounds.");
} else {
// first remove the cellXf
array_splice($this->cellXfCollection, $pIndex, 1);
// then update cellXf indexes for cells
foreach ($this->workSheetCollection as $worksheet) {
foreach ($worksheet->getCellCollection(false) as $cellID) {
$cell = $worksheet->getCell($cellID);
$xfIndex = $cell->getXfIndex();
if ($xfIndex > $pIndex) {
// decrease xf index by 1
$cell->setXfIndex($xfIndex - 1);
} elseif ($xfIndex == $pIndex) {
// set to default xf index 0
$cell->setXfIndex(0);
}
}
}
}
}
/**
* Get the cellXf supervisor
*
* @return PHPExcel_Style
*/
public function getCellXfSupervisor()
{
return $this->cellXfSupervisor;
}
/**
* Get the workbook collection of cellStyleXfs
*
* @return PHPExcel_Style[]
*/
public function getCellStyleXfCollection()
{
return $this->cellStyleXfCollection;
}
/**
* Get cellStyleXf by index
*
* @param integer $pIndex Index to cellXf
* @return PHPExcel_Style
*/
public function getCellStyleXfByIndex($pIndex = 0)
{
return $this->cellStyleXfCollection[$pIndex];
}
/**
* Get cellStyleXf by hash code
*
* @param string $pValue
* @return PHPExcel_Style|boolean False if no match found
*/
public function getCellStyleXfByHashCode($pValue = '')
{
foreach ($this->cellStyleXfCollection as $cellStyleXf) {
if ($cellStyleXf->getHashCode() == $pValue) {
return $cellStyleXf;
}
}
return false;
}
/**
* Add a cellStyleXf to the workbook
*
* @param PHPExcel_Style $pStyle
*/
public function addCellStyleXf(PHPExcel_Style $pStyle)
{
$this->cellStyleXfCollection[] = $pStyle;
$pStyle->setIndex(count($this->cellStyleXfCollection) - 1);
}
/**
* Remove cellStyleXf by index
*
* @param integer $pIndex Index to cellXf
* @throws PHPExcel_Exception
*/
public function removeCellStyleXfByIndex($pIndex = 0)
{
if ($pIndex > count($this->cellStyleXfCollection) - 1) {
throw new PHPExcel_Exception("CellStyleXf index is out of bounds.");
} else {
array_splice($this->cellStyleXfCollection, $pIndex, 1);
}
}
/**
* Eliminate all unneeded cellXf and afterwards update the xfIndex for all cells
* and columns in the workbook
*/
public function garbageCollect()
{
// how many references are there to each cellXf ?
$countReferencesCellXf = array();
foreach ($this->cellXfCollection as $index => $cellXf) {
$countReferencesCellXf[$index] = 0;
}
foreach ($this->getWorksheetIterator() as $sheet) {
// from cells
foreach ($sheet->getCellCollection(false) as $cellID) {
$cell = $sheet->getCell($cellID);
++$countReferencesCellXf[$cell->getXfIndex()];
}
// from row dimensions
foreach ($sheet->getRowDimensions() as $rowDimension) {
if ($rowDimension->getXfIndex() !== null) {
++$countReferencesCellXf[$rowDimension->getXfIndex()];
}
}
// from column dimensions
foreach ($sheet->getColumnDimensions() as $columnDimension) {
++$countReferencesCellXf[$columnDimension->getXfIndex()];
}
}
// remove cellXfs without references and create mapping so we can update xfIndex
// for all cells and columns
$countNeededCellXfs = 0;
$map = array();
foreach ($this->cellXfCollection as $index => $cellXf) {
if ($countReferencesCellXf[$index] > 0 || $index == 0) { // we must never remove the first cellXf
++$countNeededCellXfs;
} else {
unset($this->cellXfCollection[$index]);
}
$map[$index] = $countNeededCellXfs - 1;
}
$this->cellXfCollection = array_values($this->cellXfCollection);
// update the index for all cellXfs
foreach ($this->cellXfCollection as $i => $cellXf) {
$cellXf->setIndex($i);
}
// make sure there is always at least one cellXf (there should be)
if (empty($this->cellXfCollection)) {
$this->cellXfCollection[] = new PHPExcel_Style();
}
// update the xfIndex for all cells, row dimensions, column dimensions
foreach ($this->getWorksheetIterator() as $sheet) {
// for all cells
foreach ($sheet->getCellCollection(false) as $cellID) {
$cell = $sheet->getCell($cellID);
$cell->setXfIndex($map[$cell->getXfIndex()]);
}
// for all row dimensions
foreach ($sheet->getRowDimensions() as $rowDimension) {
if ($rowDimension->getXfIndex() !== null) {
$rowDimension->setXfIndex($map[$rowDimension->getXfIndex()]);
}
}
// for all column dimensions
foreach ($sheet->getColumnDimensions() as $columnDimension) {
$columnDimension->setXfIndex($map[$columnDimension->getXfIndex()]);
}
// also do garbage collection for all the sheets
$sheet->garbageCollect();
}
}
/**
* Return the unique ID value assigned to this spreadsheet workbook
*
* @return string
*/
public function getID()
{
return $this->uniqueID;
}
}